20145471 is an odd 8-digits composite number following 20145470
and preceding 20145472 . In scientific notation, it is written as 2.0145471 × 10^7.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 13430312 positive integers (up to 20145471) that are relatively prime to 20145471.
20145471 has 4 divisors, whose sum is 26860632
The reverse of 20145471 is 17454102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred forty-five thousand four hundred seventy-one
Scientific notation
2.0145471 × 10^7
Engineering notation
2.0145471 × 10^6
Prime Factorization
3 × 6715157
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20145471
Product of the distinct prime numbers
The prime factorization of 20145471 is 3 × 6715157.
Since it has a total of 2 prime factors.
1 , 4 , 25 , 26 , 483 , 989 , 7180 , 6690 , 13568 , 87301 , 759977 , 4690 , 9475295 , 9645334 , 35348440 , 77503150 , 462717306 , 621348239 , 9469632319 , 1571792684
n×2
40290942
n×3
60436413
n×4
80581884
n×5
100727355
n÷2
10072735.5
n÷3
6715157
n÷3
5036367.75
n÷5
4029094.2
n2
405840001811841
n3
8.1758379871404E+21
n4
1.6470610707064E+29
n5
3.3180821035144E+36
2 √n
4488.3706397756
3 √n
272.09828754024
4 √n
66.995303117276
5 √n
28.895850727422
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145470
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145471 can be divided by 4 positive divisors.
The sum of these divisors (counting 20145471) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110110010100111111
3
Ternary
1101220111101120
4
Quaternary
1030312110333
5
Quinary
20124123341
6
Senary
1555442023
8
Octal
114662477
10
Decimal
20145471
12
Duodecimal
68b6313
16
Hexadecimal
133653f
20
Vigesimal
65i3db
36
Base36
bzscf
md5
8bbd00f74ba58aac76497f44d32d2760
sha1
7c4852056e1d57811127613659f91b077a12bb3c
sha256
ccfb1bf6353f62690d61c6468ee89e9d66dd09907dfd88f23bc659745bba2d85
sha512
43a6850fae67ba0fe5bbd006c3c7765e40e7f78c292a9053288695769d42d918c2cb67249a7b2ec728973a19cece2451a5b81a393d617eaecc5ab72b238626d5
ripemd-160
ccdd6a58637964ace9846e69c9004eea1119d69a
Diameter
40290942
Circumference
126577727.39341
Area
1.2749839682249E+15
Volume
3.4246870076454E+22
Surface area
5.0999358728998E+15
Circumference
126577727.39341
Perimeter
80581884
Area
405840001811841
Diagonal
28489998.308594
Surface area
2435040010871046
Volume
8.1758379871404E+21
Space diagonal
34892979.314405
Perimeter
60436413
Area
1.7573387572049E+14
Altitude
17446489.657203
Surface area
1.7573387572049E+14
Volume
9.6353174709826E+20
Height
9496666.1028646